curl --request POST \
  --url https://api.arkhq.io/v1/emails/{emailId}/retry \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "data": {
    "message": "Email scheduled for redelivery"
  },
  "meta": {
    "requestId": "req_V1StGXR8_Z5jdHi6"
  }
}